Patents by Inventor LIEN-FEN HU

LIEN-FEN HU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20100236823
    Abstract: Systems and methods for providing plated through-holes (PTH) in PCBs, which advantageously allow improved soldering capabilities, are described herein. Such systems and methods are achieved by reducing the heat sinking effects of PTHs by providing one or more vias surrounding the PTHs to provide an electrical connection between the PTH and the internal and bottom conductive layers of a PCB. In this regard, the PTHs are spaced apart from at least one of the internal conductive layers (e.g., ground or power layers), so the heat sinking effects are reduced. This feature enables molten solder to substantially fill the entire PTH before freezing, thereby improving the mechanical and electrical connection between an electrical component and the PCB.
    Type: Application
    Filed: March 18, 2009
    Publication date: September 23, 2010
    Applicant: SUN MICROSYSTEMS, INC.
    Inventors: LIEN-FEN HU, JORGE E. MARTINEZ-VARGAS, JR., SAMUEL M. LEE, KARL A. SAUTER, AARON MENDELSOHN